Conclusion: These 2 contributions (S2-001396 and S2-001456) were not approved. More discussions are needed.
S2-001490 from Nokia: A definition on signalling PDP context (on 23.060, CR 179, cat B, R00)
This CR proposes to introduce a new type of PDP context, the Signalling PDP context, defined as follow: a signalling PDP context is used to carry messages related to the MS – CSCF communication. Other usage of the signalling PDP context is FFS.
The CR introduces only the definition.
Discussion: Alcatel mentioned that in France, there might be some tricky users which will use the signalling PDP context to send user’s traffic. Nokia answered that that TFT can be used to monitor at least downlink traffic, that the technical implications have to be studied more in depth, and it will not be a problem in Finland anyhow.
The main characteristic of this PDP context seems to be that the charging characteristics might be different for this type of PDP context.
Siemens stressed that there is no need to distinguish it in 23.060: it’s simply a PDP context which is not charged. The problem is how to enable some PDP context to be for free.
Lucent mentioned that the proposal has to be further enhanced: the definition is not enough, what is important is the usage of this new type of PDP context. They also proposed to have a classical approach, which is to define the requirements first.
Conclusion: Not approved.
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